Reinforcement ring



FIG. 1 is a top perspective view of a first embodiment of a reinforcement ring design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevation view thereof, where a left side elevation view, a front elevation view, and a rear elevation view thereof each is the same as the right side elevation view; and,

FIG. 5 is a cross-sectional view taken in the direction of line 5-5 of FIG. 2 . 

CLAIM I claim the ornamental design for a reinforcement ring, as shown and described. 